DNA Test Review

Which of the following codons signifies the end of translation

in eukaryote, functional messenger RNA molecules are made from

promoters are

Which describes RNA

Describe the function of each of the three types of RNA

The process by which the genetic code of DNA is coped into a strand of RNA is

The number of codons in the genetic code is

IN messenger RNA, each codons specifies a particular

what are the three components of nucleotides

why do transcription takes place

the process of making protiens on the ribosomes based on instruction from messenger RNA is

hages in DNA sequences that affect genetic information known as

substances that can ause a change in the DNA code of an organism

name and describe the two types of mutations

shape of DNA

DNA name

How is DNA essential to life

RNA strand

sugar in RNA

base only found in RNA is

start codon is

stop codon is

enzyme that proofreads new DNA starands is

Change in DNA

DNA transcribed to

end product of translation is

ribosomes makes

insertion mutation

chemical or physical agents in the environment

affects normally one amino acid

one base is deleted

DNA sequence is shifted

HOw many chromosomal mutations are there

loss all or part of the chromosomes]

extra copy or all or part of chromosomes

reverses the direction of parts of chromosomes

part of one chromosomes breaks off and attaches to another

How are mutation produced

DNA helicase unzips and unwinds the two strands of DNA

an enzume called DNA helicase unzips fand unwinds the two strands of DNA by

RNA is like the of DNA master plan

proteins are made by joining amino acids together in longchain called

how many nitrogen bases are found in RNA

Which base from DNA is replace in RNA with uracil

transcription occurs in the

thranslation occurs in the

____ turns RNA into DNA

amino acid has ____ bases

___ turn RNA into proten

you have to have a ___ strand to make a new one

___ strand has all the information needed to reconstruct the other half

each starands can be used to make the other strand

___ occurs at 100 places in the chromosome and goes 3 direction

sight where double helix seperation and replication occur

before cell divides it _____ its DNA in copying process callled

DNA seperates into two strands and makes

each strand of the double helix of DNA serves as a ____ or model for the new strand

DNA is made of chemical building block called

___ is the heriditary material in human and almost all other organism

What makes up the sides of the DNA ladder

what mades up ther rungs of the DNA ladder

___ is the hereditary material in human and almost all other oraganism

___ of human DNA is exactly the same

there is a copy of our entire DNA sequence in almost every cell of our body except

________ discovered that he could transform harmless bacteria into one that can cause disease

causes disease

doesn't cause diseases

____ discovered that nucleic DNA stores sand transmits the genetic information from one generation of an organism to another

___ used xray to create the first image of DNA

___ Discovered hydrogen bond were, what kept the two strand of DNA together

how many different amino acids are commonly found in polypeptides

these bases form a language with just four letter

way inwhich DNA RNA and proteins are involved in putting genetic information into action in living cell

information is transferred from DNA to RNA to protein

the decoding of an mRNA message into a protein is called

the decoding of an mRNA message into a protein is called

IN a general way, genes contain coded DNA instructions that tells cells how to build ___

the first step in __ these genetic instruction is to copy part of the ___ _____ form DNA into RNA.

RNA then uses these instructions to direct the production of __ which help to determine an organism's ___

RNA polymerase binds to ___ during ____ and separates the DNA strands

It then uses onw strand as a ___ from which to assemble ___ into a ___ strand of RNA